document.write( "Question 981073: The variable Z is directly proportional to X, and inversely proportional to Y. When X is 3 and Y is 6, Z has the value 9.5.
\n" ); document.write( "What is the value of Z when X = 8, and Y = 12
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Algebra.Com's Answer #602093 by stanbon(75887)\"\" \"About 
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The variable Z is directly proportional to X,
\n" ); document.write( "and inversely proportional to Y.
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\n" ); document.write( "\n" ); document.write( "Z = K*X/Y
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\n" ); document.write( "When X is 3 and Y is 6, Z has the value 9.5.
\n" ); document.write( "Solve for \"K\"::
\n" ); document.write( "9.5 = K*3/6
\n" ); document.write( "K = 19
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\n" ); document.write( "\n" ); document.write( "What is the value of Z when X = 8, and Y = 12
\n" ); document.write( "Equation:
\n" ); document.write( "Z = 19*X/Y
\n" ); document.write( "Z = 19*8/12
\n" ); document.write( "Z = (2/3)19 = 38/3 = 12 2/3
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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